732
CDUS43 KLOT 110648
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
148 AM CDT TUE AUG 11 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 10 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 87 2:18 PM 99 1944 83 4 89
MINIMUM 72 4:45 AM 49 1972 66 6 77
1982
AVERAGE 80 75 5 83
PRECIPITATION (IN)
YESTERDAY T 1.87 1979 0.13 -0.13 0.06
MONTH TO DATE 3.23 1.38 1.85 0.06
SINCE JUN 1 13.59 9.19 4.40 7.98
SINCE JAN 1 29.18 23.84 5.34 17.48
SNOWFALL (IN)
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 11 33 -22 13
SINCE JUL 1 0 2 -2 0
COOLING
YESTERDAY 15 10 5 18
MONTH TO DATE 104 100 4 113
SINCE JUN 1 659 625 34 802
SINCE JAN 1 737 695 42 836
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 5.3
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 1:00 AM
LOWEST 68 2:00 PM
AVERAGE 81
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 98 1874
1941
MINIMUM TEMPERATURE (F) 66 47 1982
SUNRISE AND SUNSET
AUGUST 11 2026........SUNRISE 5:55 AM CDT SUNSET 7:57 PM CDT
AUGUST 12 2026........SUNRISE 5:56 AM CDT SUNSET 7:56 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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